1061328928 has 96 divisors (see below), whose sum is σ = 2391742080. Its totient is φ = 458895360.

The previous prime is 1061328913. The next prime is 1061328929. The reversal of 1061328928 is 8298231601.

It is a super-2 number, since 2×1061328928² = 2252838186819258368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061328929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2728158 + ... + 2728546.

It is an arithmetic number, because the mean of its divisors is an integer number (24913980).

Almost surely, 2^1061328928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1061328928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1195871040).

1061328928 is an abundant number, since it is smaller than the sum of its proper divisors (1330413152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1061328928 is a wasteful number, since it uses less digits than its factorization.

1061328928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 1061328928 is about 32578.0436490591. The cubic root of 1061328928 is about 1020.0387426012.

The spelling of 1061328928 in words is "one billion, sixty-one million, three hundred twenty-eight thousand, nine hundred twenty-eight".